Common Core: High School - Algebra : Solve System of Equations Using Substitution: CCSS.Math.Content.HSA-REI.C.5

Study concepts, example questions & explanations for Common Core: High School - Algebra

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All Common Core: High School - Algebra Resources

8 Diagnostic Tests 97 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #531 : High School: Algebra

Solve for  and . Round your answer to the nearest hundredth.

Possible Answers:

Correct answer:

Explanation:

The first step to do is solve for a variable. Let's solve for  first.

Now we subtract  from each side.

Now we divide by 

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we subtract  from each side.

Now we divide by 

 

Now round to the nearest hundredth.

Example Question #532 : High School: Algebra

Solve for  and . Round your answer to the nearest hundredth.

Possible Answers:

Correct answer:

Explanation:

The first step to do is solve for a variable. Let's solve for  first.

Now we subtract  from each side.

Now we divide by 

Now since we found , we can plug this into the other equation and find .

Now we solve for .

Now we divide by  .

Now round to the nearest hundredth.

Now since we have a value for , we plug this into the first equation and find .

Now we add  to each side.

Now we divide by 

 

Now round to the nearest hundredth.

All Common Core: High School - Algebra Resources

8 Diagnostic Tests 97 Practice Tests Question of the Day Flashcards Learn by Concept
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